1123064992369 has 2 divisors, whose sum is σ = 1123064992370. Its totient is φ = 1123064992368.

The previous prime is 1123064992351. The next prime is 1123064992373. The reversal of 1123064992369 is 9632994603211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 876067920225 + 246997072144 = 935985^2 + 496988^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123064992369 - 2¹³ = 1123064984177 is a prime.

It is a super-2 number, since 2×1123064992369² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123064992069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561532496184 + 561532496185.

It is an arithmetic number, because the mean of its divisors is an integer number (561532496185).

Almost surely, 2^{1123064992369} is an apocalyptic number.

It is an amenable number.

1123064992369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123064992369 is an equidigital number, since it uses as much as digits as its factorization.

1123064992369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3779136, while the sum is 55.

The spelling of 1123064992369 in words is "one trillion, one hundred twenty-three billion, sixty-four million, nine hundred ninety-two thousand, three hundred sixty-nine".